* [PATCH 1/2] arm64: dts: ti: k3-j784s4-mcu-wakeup: Add support for ADC nodes
2023-04-12 10:09 [PATCH 0/2] arm64: dts: ti: k3-j784s4: Add support for ADC nodes Bhavya Kapoor
@ 2023-04-12 10:09 ` Bhavya Kapoor
2023-04-28 17:49 ` Raghavendra, Vignesh
2023-04-12 10:09 ` [PATCH 2/2] arm64: dts: ti: k3-j784s4-evm: Add pinmux information for ADC Bhavya Kapoor
1 sibling, 1 reply; 5+ messages in thread
From: Bhavya Kapoor @ 2023-04-12 10:09 UTC (permalink / raw)
To: linux-kernel, devicetree
Cc: b-kapoor, linux-arm-kernel, krzysztof.kozlowski+dt, robh+dt,
kristo, vigneshr, nm
J784S4 has two instances of 8 channel ADCs in MCU domain. Add support
for both ADC nodes.
Signed-off-by: Bhavya Kapoor <b-kapoor@ti.com>
---
.../boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi | 40 +++++++++++++++++++
1 file changed, 40 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi
index f04fcb614cbe..cb5ba5e94ec7 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi
@@ -342,4 +342,44 @@ cpts@3d000 {
ti,cpts-periodic-outputs = <2>;
};
};
+
+ tscadc0: tscadc@40200000 {
+ compatible = "ti,am3359-tscadc";
+ reg = <0x00 0x40200000 0x00 0x1000>;
+ interrupts = <GIC_SPI 860 IRQ_TYPE_LEVEL_HIGH>;
+ power-domains = <&k3_pds 0 TI_SCI_PD_EXCLUSIVE>;
+ clocks = <&k3_clks 0 0>;
+ assigned-clocks = <&k3_clks 0 2>;
+ assigned-clock-rates = <60000000>;
+ clock-names = "fck";
+ dmas = <&main_udmap 0x7400>,
+ <&main_udmap 0x7401>;
+ dma-names = "fifo0", "fifo1";
+ status = "disabled";
+
+ adc {
+ #io-channel-cells = <1>;
+ compatible = "ti,am3359-adc";
+ };
+ };
+
+ tscadc1: tscadc@40210000 {
+ compatible = "ti,am3359-tscadc";
+ reg = <0x00 0x40210000 0x00 0x1000>;
+ interrupts = <GIC_SPI 861 IRQ_TYPE_LEVEL_HIGH>;
+ power-domains = <&k3_pds 1 TI_SCI_PD_EXCLUSIVE>;
+ clocks = <&k3_clks 1 0>;
+ assigned-clocks = <&k3_clks 1 2>;
+ assigned-clock-rates = <60000000>;
+ clock-names = "fck";
+ dmas = <&main_udmap 0x7402>,
+ <&main_udmap 0x7403>;
+ dma-names = "fifo0", "fifo1";
+ status = "disabled";
+
+ adc {
+ #io-channel-cells = <1>;
+ compatible = "ti,am3359-adc";
+ };
+ };
};
--
2.34.1
^ permalink raw reply [flat|nested] 5+ messages in thread* [PATCH 2/2] arm64: dts: ti: k3-j784s4-evm: Add pinmux information for ADC
2023-04-12 10:09 [PATCH 0/2] arm64: dts: ti: k3-j784s4: Add support for ADC nodes Bhavya Kapoor
2023-04-12 10:09 ` [PATCH 1/2] arm64: dts: ti: k3-j784s4-mcu-wakeup: " Bhavya Kapoor
@ 2023-04-12 10:09 ` Bhavya Kapoor
2023-04-28 17:41 ` Raghavendra, Vignesh
1 sibling, 1 reply; 5+ messages in thread
From: Bhavya Kapoor @ 2023-04-12 10:09 UTC (permalink / raw)
To: linux-kernel, devicetree
Cc: b-kapoor, linux-arm-kernel, krzysztof.kozlowski+dt, robh+dt,
kristo, vigneshr, nm
J784S4 has two instances of 8 channel ADCs in MCU domain. Add pinmux
information for both ADC nodes.
Signed-off-by: Bhavya Kapoor <b-kapoor@ti.com>
---
arch/arm64/boot/dts/ti/k3-j784s4-evm.dts | 44 ++++++++++++++++++++++++
1 file changed, 44 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
index f33815953e77..907a2153b41d 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
@@ -165,6 +165,32 @@ J784S4_WKUP_IOPAD(0x09c, PIN_OUTPUT, 0) /* (A36) MCU_MDIO0_MDC */
J784S4_WKUP_IOPAD(0x098, PIN_INPUT, 0) /* (B35) MCU_MDIO0_MDIO */
>;
};
+
+ mcu_adc0_pins_default: mcu-adc0-pins-default {
+ pinctrl-single,pins = <
+ J784S4_WKUP_IOPAD(0x134, PIN_INPUT, 0) /* (P36) MCU_ADC0_AIN0 */
+ J784S4_WKUP_IOPAD(0x138, PIN_INPUT, 0) /* (V36) MCU_ADC0_AIN1 */
+ J784S4_WKUP_IOPAD(0x13c, PIN_INPUT, 0) /* (T34) MCU_ADC0_AIN2 */
+ J784S4_WKUP_IOPAD(0x140, PIN_INPUT, 0) /* (T36) MCU_ADC0_AIN3 */
+ J784S4_WKUP_IOPAD(0x144, PIN_INPUT, 0) /* (P34) MCU_ADC0_AIN4 */
+ J784S4_WKUP_IOPAD(0x148, PIN_INPUT, 0) /* (R37) MCU_ADC0_AIN5 */
+ J784S4_WKUP_IOPAD(0x14c, PIN_INPUT, 0) /* (R33) MCU_ADC0_AIN6 */
+ J784S4_WKUP_IOPAD(0x150, PIN_INPUT, 0) /* (V38) MCU_ADC0_AIN7 */
+ >;
+ };
+
+ mcu_adc1_pins_default: mcu-adc1-pins-default {
+ pinctrl-single,pins = <
+ J784S4_WKUP_IOPAD(0x154, PIN_INPUT, 0) /* (Y38) MCU_ADC1_AIN0 */
+ J784S4_WKUP_IOPAD(0x158, PIN_INPUT, 0) /* (Y34) MCU_ADC1_AIN1 */
+ J784S4_WKUP_IOPAD(0x15c, PIN_INPUT, 0) /* (V34) MCU_ADC1_AIN2 */
+ J784S4_WKUP_IOPAD(0x160, PIN_INPUT, 0) /* (W37) MCU_ADC1_AIN3 */
+ J784S4_WKUP_IOPAD(0x164, PIN_INPUT, 0) /* (AA37) MCU_ADC1_AIN4 */
+ J784S4_WKUP_IOPAD(0x168, PIN_INPUT, 0) /* (W33) MCU_ADC1_AIN5 */
+ J784S4_WKUP_IOPAD(0x16c, PIN_INPUT, 0) /* (U33) MCU_ADC1_AIN6 */
+ J784S4_WKUP_IOPAD(0x170, PIN_INPUT, 0) /* (Y36) MCU_ADC1_AIN7 */
+ >;
+ };
};
&main_uart8 {
@@ -253,3 +279,21 @@ &mcu_cpsw_port1 {
phy-mode = "rgmii-rxid";
phy-handle = <&mcu_phy0>;
};
+
+&tscadc0 {
+ pinctrl-0 = <&mcu_adc0_pins_default>;
+ pinctrl-names = "default";
+ status = "okay";
+ adc {
+ ti,adc-channels = <0 1 2 3 4 5 6 7>;
+ };
+};
+
+&tscadc1 {
+ pinctrl-0 = <&mcu_adc1_pins_default>;
+ pinctrl-names = "default";
+ status = "okay";
+ adc {
+ ti,adc-channels = <0 1 2 3 4 5 6 7>;
+ };
+};
--
2.34.1
^ permalink raw reply [flat|nested] 5+ messages in thread